The display board of a school is 10m. long and 6m. wide. How much will it cost if a ribbon at the rate of Rs. 4 per meter is used to make border around the display board?
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Answer:
128 rupees
Step-by-step explanation:
length of board = 10m
breadth of board = 6m
perimeter = 2(l+b)
2(10+6) = 2(16) = 32m
1 meter = 4/-
32 meter = (?)
32meter × 4 rupees = 128 rupees
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